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Cheap flights from St Louis (STL) to Calcutta (CCU)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)

How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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Cheap flights from St Louis to Calcutta in July , August 2026

27 Jul - 20 Aug $ 1,764.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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27 Jul - 24 Aug $ 1,772.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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27 Jul - 31 Aug $ 1,773.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Calcutta

28 Jul - 02 Aug $ 2,200.00
STL
St Louis
Hawaiian Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Hawaiian Airlines
3 STOPS
STL
St Louis
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28 Jul - 02 Aug $ 2,259.00
STL
St Louis
Hawaiian Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Hawaiian Airlines
3 STOPS
STL
St Louis
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28 Jul - 01 Aug $ 2,426.00
STL
St Louis
Hawaiian Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Hawaiian Airlines
3 STOPS
STL
St Louis
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One-way flights to Calcutta from St Louis

3:41 PM - 1:30 PM
Bhutan Airlines
3 Stops
36h 29m
STL - CCU
$ 894
Kiwi
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2:40 PM - 5:30 AM
IndiGo Airlines
3 Stops
31h 5m
STL - CCU
$ 953
Kiwi
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2:40 PM - 5:30 AM
IndiGo Airlines
3 Stops
31h 5m
STL - CCU
$ 957
Kiwi
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.